1. Shares of common stock received upon vesting of performance share awards under the Issuer's Amended and Restated 2005 Performance Incentive Plan.

2. Withholding of shares of common stock to satisfy tax withholding obligations in connection with the vesting of performance shares.

3. Shares of restricted stock awarded under the Issuer's Amended and Restated 2005 Performance Incentive Plan. Shares will vest on February 22, 2016.

4. Units represent interests in the Issuer's Stock Fund, which are payable in cash. The reporting person's interests in the Issuer's Stock Fund fluctuate with the fund's performance. The information in this report is based on a plan statement dated as of December 31, 2012.

5. Options will vest in three annual installments as follows: 33% on February 20, 2014; 33% on February 20, 2015; and 34% on February 20, 2016.

/s/ Irma Villarreal, by Power of Attorney

02/22/2013

** Signature of Reporting Person

Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person,
see
Instruction
4
(b)(v).